high quality steel rolling shutter door

الوصف

Jianda reinforced windproof door is a double-patent product developed just for costal areas  where typhoon prevails.with high-strength body it is able to resist large pressure of strong wind.it is very suitable for large span.broad area,high standard workshop and ware-house, we are the only manufacture of this product.

Technical Parameters:

 a. the door piece the special craft processing molding

     width extra-large?(**0mm),the concave-convex trenchant line is clear.which increased the strength and beautiful and degnified(patent no.:********5).special windbreak and hookl,adding in the wind ,under the situation-super-large can tightly.spread in special guide rail make door does not suffer wind effects and damage.

  b.the door piece is used to connect the patent technology:

    Don't sealing ,make the door will never be sealing stuck and affect the normal operation(patent No.********3)

 c.special increase thickening gudie(**0X*3X2)

    General door in fluctuation runtime,door piece and guideway directly friction,and noise big door piece and guideway is extremly easy wear.Jianda anti air inlet guide has specially designed the deadening wear-resistant materials,can reduce effectively switchgroup runtime noise ,but also extend the service life of door,adopting new technology fixed guide rail.make door more beautiful,solid,durable.more suitable for large span and large area,hige standards of large factory,warehouse.

 d.door bottom and guide rail aroun seal:

   special air inlet special guide and bottom resistance ,with excellent resistance to beam around applications in special sealing material.make door closes,can effectively block rain,dust and debris into,,have heat inulation ,sound insualtion ,heat preservation and sealing effectiveness.

e:box cover:1.gate chip 2.passbook plate